HM252349/HM252310 bearing
Bearing NO. :HM252349/HM252310
Boundary dimensions(mm)
d :260.35
D :422.275
T :86.121
B :79.771
C :66.675
r 1.2min :6.8
r 3.4min :3.3
Basic load ratings(kN)
Cr :1140
Cor :1850
Limiting speed(rpm)
Grease :800
Oil :1100
Application point
a :77.6
Abutment and fillet dimensions(mm)
da max :304
db min :282
Da max :392
Db min :408
ra max :6.8
rb max :3.3
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :41.6
Tapered roller bearings are made of inner races called cones and outer races call cups. They are called tapered roller bearings because the cone assembly is narrower in one end and the races are built with one side narrower as well to match the rollers. This bearing construction is ideal for environments where high speed and heavy loads occur, and a low friction is needed. Tapered roller bearings are widely used in applications like automotive, rail, gearboxes, agriculture, machine tools, construction and more.
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